Casio fx-9860GII - 1.4 Solving simultaneous linear equations in two unknowns

fx-9860GII Quick Start Guide
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4. To change the displayed number of decimal places, enter the SET UP menu by pressing
Lp. N to Display, select q(Fix) and enter the desired amount of decimal places followed by
l. For this example, 3 decimal places are used.
Note: Every icon’s SET UP menu is accessed in the same manner.
• LpNNNNNNNNNNNq3ldlx
From the RUN menu, many calculations can be performed by selecting i. For example:
hyperbolic, probability/distribution, numeric (including differential and integration), conversion, engi-
neering, complex number and binary, octal, decimal and hexadecimal calculations.
5. To calculate the number of different arrangements of 10 items when choosing 4 at a time, enter
the following from the RUN home screen:
• iue10w4l
6. To calculate -10
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+ 2 , enter the following from the RUN home screen:
• iewn10^3$+2l
RUN-MAT