hi i need mit app to calculate volume of trancated cone

Here is your formula:

V = (1/3) * π * h * (r² + r * R + R²),

Where:

R is the radius of the base of the original cone (bottom surface);

r is the radius of the top surface; and

h is the height of our truncated cone.

Use Maths blocks

How do you insert the formula in the block please

This should do it:

Screen design,how will it look like?

What about user interface of the app

What about it? The world is your oyster...

Use textboxes to enter the various values, a button to call the formula, and a label to display the result.

Do it like your cone calculator from here

and name the app this time "truncated cone volume app calculator for dummies"

Taifun

What is the exact error message?

My guess is, you have the same issue as in your other thread...

and remember, you only can calculate with numbers... it might be a good idea to initialize yout textboxes RADIUS and HEIGHT with the initial value 0 (rather than RADIUS) and set the numbers only property of the textboxes to true to avoid someone typing in an alphanumeric value..

Taifun

Use the blue mutator button to add another else if branch to allow you to test the third number like you did the first two.

You need to use the procedure input block

am unable to that procedure on procedure bar

You have created a procedure called "procedure" - change the name to something more meaningful like "VolTruCone"

Click on Procedures in the palette on the left to reveal your "procedure" input block