# Calculator doubts in building a calculator

**URL:** https://community.thunkable.com/t/calculator-doubts-in-building-a-calculator/128832
**Category:** Questions about Thunkable X
**Created:** [July 2, 2019, 8:26am UTC](https://community.thunkable.com/t/calculator-doubts-in-building-a-calculator/128832 "2019-07-02T08:26:30Z")
**Posts on this page:** 6
**Page:** 1

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### Author: ![Fernando\_Matos](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/fernando_matos/32/30641_2.png) [@Fernando\_Matos](https://community.thunkable.com/u/Fernando_Matos)
#### Post date: [July 2, 2019, 8:26am UTC](https://community.thunkable.com/t/calculator-doubts-in-building-a-calculator/128832/1 "2019-07-02T08:26:30Z")

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Hello, I’m building a calculator and I’m having trouble implementing%, negative numbers and insert point. if anyone knows how to help thank 🙂

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### Author: ![jane](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/jane/32/27575_2.png) [@jane](https://community.thunkable.com/u/jane)
#### Post date: [July 2, 2019, 1:27pm UTC](https://community.thunkable.com/t/calculator-doubts-in-building-a-calculator/128832/2 "2019-07-02T13:27:06Z")

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Hi there,

The modulo operation % can be carried out with the ‘find remainder of X / Y’ block.  
 ![rod](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/1/9/19403b8a04eb673a55a4afac12388ac6e09ec890.png)

Negative numbers can be created and manipulated just like positive numbers.

With regards to ‘insert point’ - what are you trying to do exactly?

Thanks,  
Jane

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### Author: ![Fernando\_Matos](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/fernando_matos/32/30641_2.png) [@Fernando\_Matos](https://community.thunkable.com/u/Fernando_Matos)
#### Post date: [July 2, 2019, 1:41pm UTC](https://community.thunkable.com/t/calculator-doubts-in-building-a-calculator/128832/3 "2019-07-02T13:41:24Z")

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@jane 'm trying to make a calculator. I want to write in the calculator for example 1.3 + 1 = 2.3. but what actually happens is 1.3 + 1 = 2

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### Author: ![kartik\_old](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/kartik_old/32/28305_2.png) [@kartik\_old](https://community.thunkable.com/u/kartik_old)
#### Post date: [July 3, 2019, 7:06am UTC](https://community.thunkable.com/t/calculator-doubts-in-building-a-calculator/128832/4 "2019-07-03T07:06:15Z")

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Hello there,  
Can this help you?  
[http://community.thunkable.com/t/how-to-make-a-simple-calculator/10050?u=kartik](http://community.thunkable.com/t/how-to-make-a-simple-calculator/10050)  
(it’s from Thunkable Classic, but you may give a try)

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### Author: ![Fernando\_Matos](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/fernando_matos/32/30641_2.png) [@Fernando\_Matos](https://community.thunkable.com/u/Fernando_Matos)
#### Post date: [July 3, 2019, 8:39am UTC](https://community.thunkable.com/t/calculator-doubts-in-building-a-calculator/128832/5 "2019-07-03T08:39:02Z")

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Thanks for the tutorial but this I have already done and works perfect. what I need to add and this tuturial does not have and calculate negative numbers and add points to the numbers

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### Author: ![ioannis](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/ioannis/32/146956_2.png) [@ioannis](https://community.thunkable.com/u/ioannis)
#### Post date: [November 8, 2024, 12:12pm UTC](https://community.thunkable.com/t/calculator-doubts-in-building-a-calculator/128832/6 "2024-11-08T12:12:26Z")

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