"ENTERING EXPONENTS and SQUARE ROOTS. The following examples show common representations for expressions and the proper way to enter these into this program. These expressions can be entered at the ENTER variable below.■ commonly used ASTRO 3 way Result Reason ___ √144 (space) sqr(144) 12 use sqr(..) function to take square root. 2.3 10 10^2.3 199.5 ^ means raise to power 4 5.67 x 10 5.67e4 56700 e means base 10 4 3 3x10 -2x10 3e4-2e3 or 28000 calculation in 3*10^4-2*10^3 scientific notation. 2 -1 (2x10 ) (2e2)^-1 0.005 no implied exponentiation Type comma key to see entire comment. Type (F2) to return to helpfile.'' ___ √ 6 ------ (space) sqr(6)/(4*sqr(3)) .3535 must match parentheses 4√3 ■ Type any key to exit. (c) PCSCC, Inc., 1993"
