reiknivél

Reiknivél is the Icelandic word for calculator. It refers to a device or computer program that performs arithmetic and other mathematical operations. Basic calculators are designed for simple calculations like addition, subtraction, multiplication, and division. More advanced scientific and graphing calculators offer functions for trigonometry, logarithms, statistics, and the ability to plot graphs of equations.

The development of electronic calculators began in the mid-20th century, leading to smaller and more portable devices. Pocket calculators became widely available in the 1970s. Today, calculator functionality is integrated into many devices, including smartphones, computers, and web browsers. Software applications and online tools provide sophisticated calculation capabilities for various fields, from engineering to finance. The term "reiknivél" encompasses this entire spectrum of calculating tools.