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Question Number 206452    Answers: 1   Comments: 0

Question Number 206311    Answers: 0   Comments: 0

Hi everyone... This is not a question per say (sorry ′bout that). It′s just that for past 4 years, to type math messages to my friends (text messages) I′ve been painfully using the two most famous android ones (matheditor and dxmath). And I was thinking, I realised how typing on this app on android (matheditor) is so much more practical. So if any one here knows how to code, I would love to see an android−keyboard adaptation (only with the unicode charters on this keyboard that is... and with the extra ^(1234567890−+×()inx) _(1234567890inx) unicode ones that might come in handy once we can′t use proper indexation) I would personnaly be ready to pay for it. And I would be intersted to know if anyone of you would be too. I don′t think it would be very hard to do... I am ready to help if I can. I don′t know how to make an android app, but being a mathematician and a physicist, I′m sure I can make myself usefull...

$$\mathrm{Hi}\:\mathrm{everyone}... \\ $$$$\mathrm{This}\:\mathrm{is}\:\mathrm{not}\:\mathrm{a}\:\mathrm{question}\:\mathrm{per}\:\mathrm{say}\:\left(\mathrm{sorry}\:'\mathrm{bout}\right. \\ $$$$\left.\mathrm{that}\right).\:\mathrm{It}'\mathrm{s}\:\mathrm{just}\:\mathrm{that}\:\mathrm{for}\:\mathrm{past}\:\mathrm{4}\:\mathrm{years},\:\mathrm{to}\:\mathrm{type} \\ $$$$\mathrm{math}\:\mathrm{messages}\:\mathrm{to}\:\mathrm{my}\:\mathrm{friends}\:\left(\mathrm{text}\:\mathrm{messages}\right) \\ $$$$\mathrm{I}'\mathrm{ve}\:\mathrm{been}\:\mathrm{painfully}\:\mathrm{using}\:\mathrm{the}\:\mathrm{two}\:\mathrm{most}\:\mathrm{famous} \\ $$$$\mathrm{android}\:\mathrm{ones}\:\left({matheditor}\:\mathrm{and}\:{dxmath}\right). \\ $$$$\mathrm{And}\:\mathrm{I}\:\mathrm{was}\:\mathrm{thinking},\:\mathrm{I}\:\mathrm{realised}\:\mathrm{how}\:\mathrm{typing} \\ $$$$\mathrm{on}\:\mathrm{this}\:\mathrm{app}\:\mathrm{on}\:\mathrm{android}\:\left({matheditor}\right)\:\mathrm{is}\:\mathrm{so} \\ $$$$\mathrm{much}\:\mathrm{more}\:\mathrm{practical}. \\ $$$$ \\ $$$$\mathrm{So}\:\mathrm{if}\:\mathrm{any}\:\mathrm{one}\:\mathrm{here}\:\mathrm{knows}\:\mathrm{how}\:\mathrm{to}\:\mathrm{code},\:\mathrm{I}\:\mathrm{would} \\ $$$$\mathrm{love}\:\mathrm{to}\:\mathrm{see}\:\mathrm{an}\:\mathrm{android}−\mathrm{keyboard}\:\mathrm{adaptation} \\ $$$$\left(\mathrm{only}\:\mathrm{with}\:\mathrm{the}\:\mathrm{unicode}\:\mathrm{charters}\:\mathrm{on}\:\mathrm{this}\right. \\ $$$$\mathrm{keyboard}\:\mathrm{that}\:\mathrm{is}...\:\mathrm{and}\:\mathrm{with}\:\mathrm{the}\:\mathrm{extra} \\ $$$$\:^{\mathrm{1234567890}−+×\left(\right)\mathrm{inx}} \:_{\mathrm{1234567890inx}} \:\mathrm{unicode}\:\mathrm{ones} \\ $$$$\mathrm{that}\:\mathrm{might}\:\mathrm{come}\:\mathrm{in}\:\mathrm{handy}\:\mathrm{once}\:\mathrm{we}\:\mathrm{can}'\mathrm{t}\:\mathrm{use} \\ $$$$\left.\mathrm{proper}\:\mathrm{indexation}\right) \\ $$$$ \\ $$$$\mathrm{I}\:\mathrm{would}\:\mathrm{personnaly}\:\mathrm{be}\:\mathrm{ready}\:\mathrm{to}\:\mathrm{pay}\:\mathrm{for}\:\mathrm{it}. \\ $$$$\mathrm{And}\:\mathrm{I}\:\mathrm{would}\:\mathrm{be}\:\mathrm{intersted}\:\mathrm{to}\:\mathrm{know}\:\mathrm{if}\:\mathrm{anyone} \\ $$$$\mathrm{of}\:\mathrm{you}\:\mathrm{would}\:\mathrm{be}\:\mathrm{too}. \\ $$$$ \\ $$$$\mathrm{I}\:\mathrm{don}'\mathrm{t}\:\mathrm{think}\:\mathrm{it}\:\mathrm{would}\:\mathrm{be}\:\mathrm{very}\:\mathrm{hard}\:\mathrm{to}\:\mathrm{do}... \\ $$$$\mathrm{I}\:\mathrm{am}\:\mathrm{ready}\:\mathrm{to}\:\mathrm{help}\:\mathrm{if}\:\mathrm{I}\:\mathrm{can}.\:\mathrm{I}\:\mathrm{don}'\mathrm{t}\:\mathrm{know}\:\mathrm{how} \\ $$$$\mathrm{to}\:\mathrm{make}\:\mathrm{an}\:\mathrm{android}\:\mathrm{app},\:\mathrm{but}\:\mathrm{being}\:\mathrm{a} \\ $$$$\mathrm{mathematician}\:\mathrm{and}\:\mathrm{a}\:\mathrm{physicist},\:\mathrm{I}'\mathrm{m}\:\mathrm{sure} \\ $$$$\mathrm{I}\:\mathrm{can}\:\mathrm{make}\:\mathrm{myself}\:\mathrm{usefull}... \\ $$

Question Number 205915    Answers: 1   Comments: 0

Question Number 205070    Answers: 0   Comments: 5

Given { ((A∩B= { a, b})),((A∩C = { b, c} )),((B∩C= { b ,d })) :} then (A∩C) + (A∩B) + (B∩C)

$$\:\:\:\mathrm{Given}\:\begin{cases}{\mathrm{A}\cap\mathrm{B}=\:\left\{\:\mathrm{a},\:\mathrm{b}\right\}}\\{\mathrm{A}\cap\mathrm{C}\:=\:\left\{\:\mathrm{b},\:\mathrm{c}\right\}\:}\\{\mathrm{B}\cap\mathrm{C}=\:\left\{\:\mathrm{b}\:,\mathrm{d}\:\right\}}\end{cases} \\ $$$$\:\:\:\:\mathrm{then}\:\left(\mathrm{A}\cap\mathrm{C}\right)\:+\:\left(\mathrm{A}\cap\mathrm{B}\right)\:+\:\left(\mathrm{B}\cap\mathrm{C}\right) \\ $$

Question Number 204994    Answers: 2   Comments: 0

Question Number 204885    Answers: 1   Comments: 0

The density of a gas is 1.775kgm³ at 29°c and 10⁵N/m² pressure, its specific heat capacity at constant pressure is 856J/kg/K. Determine the ratio of its specific heat at constant pressure to that at constant volume?

The density of a gas is 1.775kgm³ at 29°c and 10⁵N/m² pressure, its specific heat capacity at constant pressure is 856J/kg/K. Determine the ratio of its specific heat at constant pressure to that at constant volume?

Question Number 204804    Answers: 1   Comments: 3

Evaluate ∫((sinx)/(x^4 +x^2 +1))dx I need full detailed explanation, thank you in advance.

$$\mathrm{Evaluate}\:\int\frac{\mathrm{sinx}}{\mathrm{x}^{\mathrm{4}} +\mathrm{x}^{\mathrm{2}} +\mathrm{1}}\mathrm{dx} \\ $$$$ \\ $$$$ \\ $$$$\mathrm{I}\:\mathrm{need}\:\mathrm{full}\:\mathrm{detailed}\:\mathrm{explanation},\:\mathrm{thank}\:\mathrm{you}\:\mathrm{in} \\ $$$$\mathrm{advance}. \\ $$

Question Number 204753    Answers: 0   Comments: 7

A wave has an amplitude of 20cm from rest. If the angle of oscillation is 30⁰. Find the displacement of the wave.

A wave has an amplitude of 20cm from rest. If the angle of oscillation is 30⁰. Find the displacement of the wave.

Question Number 204346    Answers: 0   Comments: 0

Question Number 204328    Answers: 0   Comments: 1

Question Number 204323    Answers: 0   Comments: 0

Question Number 204321    Answers: 0   Comments: 0

Question Number 204318    Answers: 1   Comments: 0

Question Number 204313    Answers: 1   Comments: 0

lim((3×^2 −8×−16)/(2×^2 9×+4))

$${lim}\frac{\mathrm{3}×^{\mathrm{2}} −\mathrm{8}×−\mathrm{16}}{\mathrm{2}×^{\mathrm{2}} \mathrm{9}×+\mathrm{4}} \\ $$$$ \\ $$

Question Number 204250    Answers: 3   Comments: 0

Question Number 204142    Answers: 1   Comments: 0

Solve: x^x = 27^(x − 3)

$$\mathrm{Solve}:\:\:\mathrm{x}^{\mathrm{x}} \:\:=\:\:\mathrm{27}^{\mathrm{x}\:\:−\:\:\mathrm{3}} \\ $$

Question Number 204024    Answers: 1   Comments: 0

Find the Cartesian equation of x(t) = 2 cos t And y(t) = 3 cos t

Find the Cartesian equation of x(t) = 2 cos t And y(t) = 3 cos t

Question Number 203859    Answers: 0   Comments: 3

Show that the surface z = xy has neither a maximum nor a minimum point

$$\mathrm{Show}\:\mathrm{that}\:\mathrm{the}\:\mathrm{surface}\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\mathrm{z}\:=\:\mathrm{xy} \\ $$$$\mathrm{has}\:\mathrm{neither}\:\mathrm{a}\:\mathrm{maximum}\:\mathrm{nor}\:\mathrm{a}\:\mathrm{minimum}\:\mathrm{point} \\ $$

Question Number 203858    Answers: 0   Comments: 1

Classsify the critical points of the function f(x,y) = x^2 y + (1/3)y^3 − x^2 − y^2 + 2 Thank you in advance!

$$\mathrm{Classsify}\:\mathrm{the}\:\mathrm{critical}\:\mathrm{points}\:\mathrm{of}\:\mathrm{the}\:\mathrm{function} \\ $$$$\mathrm{f}\left(\mathrm{x},\mathrm{y}\right)\:=\:\mathrm{x}^{\mathrm{2}} \mathrm{y}\:+\:\frac{\mathrm{1}}{\mathrm{3}}\mathrm{y}^{\mathrm{3}} \:−\:\mathrm{x}^{\mathrm{2}} \:−\:\mathrm{y}^{\mathrm{2}} \:+\:\mathrm{2} \\ $$$$ \\ $$$$ \\ $$$$\mathrm{Thank}\:\mathrm{you}\:\mathrm{in}\:\mathrm{advance}! \\ $$

Question Number 203819    Answers: 0   Comments: 0

((∣x^2 −3x∣)/(x^2 −9)) draw up the variaton table of this function

$$\frac{\mid{x}^{\mathrm{2}} −\mathrm{3}{x}\mid}{{x}^{\mathrm{2}} −\mathrm{9}}\:\:{draw}\:{up}\:{the}\:{variaton} \\ $$$${table}\:{of}\:{this}\:{function} \\ $$

Question Number 203750    Answers: 1   Comments: 0

Question Number 203736    Answers: 0   Comments: 2

A conductor of length 500cm carried a current of 0.95A when kept in a magnetic field of magnetic flux density 0.5T. Calculate the maximum force acting on it.

A conductor of length 500cm carried a current of 0.95A when kept in a magnetic field of magnetic flux density 0.5T. Calculate the maximum force acting on it.

Question Number 203701    Answers: 2   Comments: 0

Question Number 203695    Answers: 0   Comments: 1

Question Number 203693    Answers: 2   Comments: 0

Question Number 203567    Answers: 0   Comments: 0

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