         
         <p>If you are already teaching someone (schoolchildren, students, etc.) programming, and you want to use the algoprog or its materials in your classes...</p>
         
-        <p>...or if you want to start teaching someone on the basis of the algprog or using its materials...</p>
+        <p>...or if you want to start teaching someone on the algprog or using its materials...</p>
         
         <p>... or if you want to use the algoprog engine in your classes by filling it with your own materials</p>
         

        module20927_7(),
        module20927_9(),
        label(
            "<h3>About how to study here</h3>"),
        work_with_site(),
        module20927_13(),
        module20927_15(),

        
        <p>When displaying the rating in tables, it is rounded to integers, but when calculating everything is considered real numbers.</p>
        
        <p>Cost table (rounded to two decimal places):</p>
        <pre>          A            B        C         D
         1       2.50       3.14       3.95       4.97
         2       6.25       7.86       9.88
         3      15.62      19.65      24.71      31.07
