T vs Calkillator

A simple and easy-to-use calculator app that combines two calculators into one. Calculators are displayed side by side when the screen is horizontal, and vertically when the screen is vertical. In addition to being able to perform separate calculations with each calculator, calculation results can be also copy and paste with one touch, so you can perform other calculations during calculations, making it even more convenient to use than you might imagine. There is also a paid version without ads. Please try it first. https://apps.apple.com/jp/app/twin-calc/id1619292082 【feature】 1. Calculation results can be copy and paste between two calculators with one touch. 2. The result calculated can be input from one calculator to the other with one touch. ・When press the "→" key, the calculation result of the left calculator is entered at the end of the formula on the right calculator. ・When press the "←" key, the calculation result of the right calculator is entered at the end of the formula on the left calculator. 3. add, subtract, multiply and divide is performed. Do multiplication and division first, then add and subtract. 4. Display the formula The entered formula is displayed under the result, so you can easily check the operations. 5. Calculation results can be copied to iPhone’s memory Calculation results can be pasted into other apps as text , so transcription errors will not occur. Example of use When you find a product for 988 yen for 3 pieces and a product for 1245 yen for 4 pieces while shopping, you can easily calculate "Which is cheaper?" And “How cheaper?"with this calculator. 1) Use the left and right calculators to find the unit price of the product (unit price = product price/number). 2) Tap the "- key" and "arrow key" on either the left or right calculator to calculate the unit price difference. Limitations ・Answer can be calculated up to 9 digits, minimum 0.000000001.

All calculator apps are the same? THAT'S NOT TRUE —! Meet Calkillator — the calculator that understands your voice. Instead of tapping buttons one by one, simply say what you want to calculate. "Subtract 3,500 from 20,000." That's it. No typing. No complicated formulas. Just speak, and Calkillator does the math instantly. Key Features • Voice Calculation — Calculate naturally using your voice in Korean, English, Japanese, Chinese, Spanish, and Thai. • Natural Currency Questions — Just ask, "How much is 1 dollar in Korean won?" and Calkillator understands and converts instantly — no typing, no separate converter screen. • 5 Everyday Tools — Percentage, tip calculator, unit converter, BMI calculator, and currency converter, all built in. Try them free for 7 days. • Scientific Calculator Mode — Go beyond basic calculations with trigonometric functions, logarithms, exponents, roots, constants, parentheses, and more. • Powerful Expression Engine — Supports addition, subtraction, multiplication, division, parentheses, operator precedence, and complex mathematical expressions. • Export & Share History — Save your calculation history as a text file or share it instantly. • Clean Dark UI — Fast, simple, and distraction-free design optimized for everyday use. • Privacy First — No ads. No tracking SDKs. No data sent to servers. Built to Keep Getting Better Calkillator's voice recognition will continue to evolve. We're continuously improving the voice recognition engine to better understand natural expressions, different speaking styles, and real-world calculation scenarios — including everyday currency questions like "How much is that in dollars?" The calculator you buy today will keep getting smarter. Calkillator Minions (In-App Purchase – $0.99) Unlock Voice Input and all 5 everyday tools — plus PRO features — with a single one-time purchase. Pay once. Use forever.