/home/me350/Programs/Maple18/bin/maple < EC-PCAD1.txt > output.txt  
/home/me350/Programs/Maple18/bin/maple < EC-PCAD2.txt >> output.txt  
/home/me350/Programs/Maple18/bin/maple < EC-PCAD3.txt >> output.txt  
/home/me350/Programs/Maple18/bin/maple < EC-PCAD4.txt >> output.txt  
/home/me350/Programs/Maple18/bin/maple < EC-RCCAD.txt >> output.txt 
/home/me350/Programs/Maple18/bin/maple < SI-PCAD.txt >> output.txt  
/home/me350/Programs/Maple18/bin/maple < SI-RCCAD1.txt >> output.txt  
/home/me350/Programs/Maple18/bin/maple < SI-RCCAD2.txt >> output.txt  

