Overview
What is 1st Calculator?
1st Calculator is a handy and useful expression calculator and unit converter with skins. Main featu...
In depth
A closer look at 1st Calculator
1st Calculator is a handy and useful expression calculator and unit converter with skins. Main features: fully customizable interface with skins; keyboard shortcuts; all arithmetic operations, more than 20 functions; editable lists of constants and unit conversions; recalling previously used expressions; five result formats with changeable precision; automatic clipboard copy/paste; minimizes to the system tray.
Verdict
Should you download 1st Calculator?
1st Calculator runs on
Windows 10/11
and is available under the
Commercial
license
— the installer is 0 KB.
We’ve catalogued it under
General.
✓
Verified clean. Every 1st Calculator build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
Sponsored
At a glance
1st Calculator specifications
- Last updated
- May 1, 2026
- License
- Commercial
- Operating system
- Windows 10/11
- File size
- 0 KB
- Price
- $15
- Page views
- 512
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