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diff --git a/51/CH2/EX2.3/2_3.sce b/51/CH2/EX2.3/2_3.sce
new file mode 100755
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+clc;
+clear;
+T=10;//degree C
+dmax=40;//m
+p=598;//mm Hg
+//pressure in lake at any depth h is given by p=gamma*h + local barometric pressure 'pbar'
+//pbar/(gamma Hg)=598 mm= .598 m ; (gamma Hg) = 133kN/m^3
+pbar=0.598*133;//kN/m^2
+//(gamma water)=9.804 kN/m^3 at 10 dergree C
+p=(9.804*40)+pbar;//kN/m^2
+disp("kPa",pbar,"The local barometric pressure=")
+disp("kPa",p,"The absolute pressure at a depth of 40 m in the lake=")
+ 
+\ No newline at end of file