Twin-Calc 2.6.4

Hiroyuki Ueda – Commercial – iOS
out of 6 votes

A straightforward and user-friendly calculator application that integrates two calculators into a single interface.

The calculators are arranged side by side in landscape mode and vertically in portrait mode.

In addition to conducting separate calculations with each calculator, the app allows for easy copying and pasting of calculation results with a single touch, enhancing usability during multiple calculations.

An ad-supported version is also available. Users are encouraged to try it out before making a decision.

Calculation results can be copied and pasted effortlessly between the two calculators.
Transfer calculated results from one calculator to the other seamlessly with a single touch.
- Press the "→" key to input the left calculator's result at the end of the formula on the right calculator.
- Press the "←" key to input the right calculator's result at the end of the formula on the left calculator.
Basic arithmetic operations (addition, subtraction, multiplication, and division) are supported. Multiplication and division take precedence over addition and subtraction in sequence.
The entered formula is displayed below the result for easy verification of operations.
Calculation results can be copied to the iPhone's clipboard, enabling easy pasting into other applications to prevent transcription errors.

Example of Use:

While shopping, users can efficiently determine which product offers a better deal between one priced at 988 yen for 3 pieces and another priced at 1245 yen for 4 pieces:

Use the left and right calculators to calculate the unit price of each product (unit price = product price ÷ number).
Subtract the unit prices by tapping the "- key" and "arrow key" on either calculator to find the price difference.

Limitations:

The app can calculate answers up to 9 digits, with a minimum value of 0.000000001.
If division by zero is performed, it will correctly display as ∞, but the calculator will show "0".

Note:

The free version is downloadable from: T Calc Lite - App Store Link

Overview

Twin-Calc is a Commercial software in the category System Utilities developed by Hiroyuki Ueda.

The latest version of Twin-Calc is 2.6.4, released on 08/31/2024. It was initially added to our database on 08/31/2024.

Twin-Calc runs on the following operating systems: iOS.

Users of Twin-Calc gave it a rating of 5 out of 5 stars.

Pros

Simple and user-friendly interface makes it easy for beginners to use.
Supports multiple calculations at once which enhances productivity.
Lightweight application that runs smoothly even on low-end devices.
Customizable features, allowing users to set preferences according to their needs.
Includes a help section for troubleshooting and guidance.

Cons

Limited advanced mathematical functions compared to more robust calculators.
May not support complex numbers or certain scientific calculations.
User community is smaller, leading to less support and fewer resources available online.
No mobile version available, restricting access on the go.
Updates may be infrequent, leading to potential bugs not being resolved quickly.

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