More and more scientific calculators are more complete, coming full of functions, tools, options and other extras, but if what you are really looking for is something simpler and more manageable, what you need is Baby Scientific.
Because Baby Scientific is an excellent scientific calculator but without great pretensions, that is, it brings the basics you may need. Some of the features with which it is equipped are: it allows exponential calculations, square roots, it has already predefined basic functions, it has memory to store all the results that are produced, it allows copying and pasting the results to the clipboard, etc.
Baby Scientific is also so simple that it doesn't even require installation.
You can free download Baby Scientific and safe install the latest trial or new full version for Windows 10 (x32, 64 bit, 86) from the official site.
Devices: Desktop PC, Laptop (ASUS, HP, DELL, Acer, Lenovo, MSI), Ultrabook
OS: Professional, Enterprise, Education, Home Edition, versions: 1507, 1511, 1607, 1703, 1709, 1803, 1809