
Percentage calculator
Calculator to determine the % of increase and decrease in numbers etc
8 votes 
have a solve for x feature
to solve for any equation that has a variable
3 votes 
Add to solution Interpolation for Forword and Backword
to solve the given system:
Given the points and need to show the function of that pointsEX:
find a polynomial function for the following interpolating
(0,1),(1,0),(2,1),(3,10)The solution is
y(x) = x^3  2 x ^ 2 + 11 vote 
fuel consumption converter
fuel consumption converter
13 votes 
nCr or nPr or !
They are for probability.
7 votes 
Excel financial methods like PV,FV,PMT etc, where inflation value is assumption
Excel financial methods like PV,FV,PMT etc, where inflation value is assumption
7 votes 
Reverse Polish notation  please
Can you please give us the option of Reverse Polish notation 
4 votes 
Scientific calculator and converter
It's about very small and very large scales. Light years, parsek, plank mass, plank lenght, plank time, Astronomical Unit etc.
20 votes 
1 vote

add a pretty print view
much like the ti89
4 votes 
A way to save your favourite/most used currencies
A way to save your favourite/most used currencies
6 votes 
Convert Latitude / Longitude to / from Decimal Degrees to DMS
Conversion of DMS / DD for stuff like Lat/Long or survey data
20 votes 
calculate the surface areas, areas, volumes of regular and irregular surfaces directly.
calculate the surface areas, areas, volumes of regular and irregular surfaces directly.
5 votes 
cc = hp
cc = hp
3 votes 
Accountant's adding machine with tape that can be copied and pasted into document.
Keypad entry that resembles an adding machine used by accountants with scrolling tape on the screen that can be copied and pasted into other applications.
4 votes 
Convert Lengths (Feet & Inches) from decimal to fractions and fractions to decimal
Convert Lengths (Feet & Inches) from decimal to fractions and fractions to decimal
6 votes 
financial calculator!
PV FV IRR etc..
13 votes 
a function for fractions and solving equations
Tiis would be an AWESOME app if you could solve equations, with ratios and fractions.
1 vote 
7 votes

12 votes
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