# Help:Calculator

(→Commonly used Physical Constants) |
(→Unit Conversions) |
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To convert 1 curie to Bq, for example, enter 1 into the results window and click on the Ci → Bq button as shown below. | To convert 1 curie to Bq, for example, enter 1 into the results window and click on the Ci → Bq button as shown below. | ||

− | [[Image:Calc_3.png|thumb|left| | + | [[Image:Calc_3.png|thumb|left|1000px|Nucleonica's scientific calculator: unit conversions]] |

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## Latest revision as of 07:39, 15 August 2019

Nucleonica's scientific calculator app is an easy to use web-based scientific calculator. The app can also be used for obtaining commonly used physical constants and performing routine conversions.

## Scientific Calculator

Nucleonica's scientific calculator is an easy to use web-based scientific calculator. The basic scientific functions (exp, 1/x, x2, etc.) are shown below. By clicking on “Select result”, the results of a calculation - shown in the results window – can be selected and copied into another application. In addition, there are two other modes of operation of the calculator – for obtaining commonly used physical constants and performing routine conversions. These are briefly below.described.

## Commonly used Physical Constants

The commonly used physical constants are reached by clicking on the CONST button (shown above). The following constants are available:

- Speed of light in vacuum, c(ms
^{–1})

- Avogadro's number, N
_{A}

- Electrical charge, e(C)

- Boltzmann constant, k(J/K)

- Electron mass, m
_{e}(kg)

- Proton mass, m
_{p}(kg)

- Neutron mass, m
_{n}(kg)

- Atomic mass unit, u(kg)

- Planck's constant, h(Js)

The user can return to the scientific calculation mode by clicking the SCN button (SCieNtific Functions) shown below. In the figure below the electric charge in Coulomb e(C) has been selected.

## Unit Conversions

By clicking on the CONV button in the above figure, the unit conversions are shown. These are:

- J to eV; eV to J
- u to MeV; MeV to u
- Bq to Ci; Ci to Bq
- J to MWd; MWd to J
- y to s; s to y

To convert 1 curie to Bq, for example, enter 1 into the results window and click on the Ci → Bq button as shown below.