calculator

I'd like to build a range calculation calculator. For example, ranges are 1-456, 565-789, 800-1255........ 10 ranges text box will be provided and user input data as needed for total SUM of ranges provided. How to build this type of calculator using a control array?

I have written a few Financial Calculators over the past couple of weeks, and one approach I've found extremely useful is Approximation and Guesswork. So I figured, why not share the approach with the forum, A) to hopefully inform and B) to see if anyone else has any other intriguing...

Hello guys, Is there any way to perform a calculation with the elements in a string for instance, i have "2x10/20" it can be any other calculus, like "(234/403)-20*50" but they are string can I somehow convert them to numbers to perform the operations ? Thanks

My first app is a calculator. Edit : I wrote at wrong place. Please move to Android forums. Source code : https://filedn.com/lH29YVrPbvrHFXfYoAX1XS8/B4J Forum Images/calc.zip On Google Play :https://play.google.com/store/apps/details?id=com.halitcan.calc

In practice I need to add (as a value not as text) a number (+1) to a number entered in an EditBox. I tried so "rough" EditText1.Text = "1" Dim s As String = EditText1.Text Msgbox (s + 1, "") [/ CODE] My problem is this, which unfortunately leaves me, in the msgbox, "2.0". ONLY I will use the...

I am reposting this bit of code for those who want a simple way to call the calculator's intent on any phone. It took me a few hours to find this and thought others may find it helpful. Dim Pm As PackageManager Dim Inte As Intent Dim Packages As List Dim st As String Packages =...