KhCal Basic — calculator, notes and dates

KhCal Basic is the free edition of KhCal, made for Arabic and right-to-left text first.

• A plain calculator with a running tape
• Plain-text notes, searchable, with Arabic running right to left
• A month calendar with your own weekend, and days between dates with workdays
• Percentages: what percent X is of Y, and increase or decrease
• A converter for length, weight and temperature, completely offline

KhCal Basic installs into your Applications folder, keeps everything on this Mac and never connects to the internet. Apple silicon Macs running macOS 14 Sonoma or later.