diff --git a/.DS_Store b/.DS_Store
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index 0000000..b52924d
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diff --git a/Solver/Main.py b/Solver/Main.py
new file mode 100644
index 0000000..288c937
--- /dev/null
+++ b/Solver/Main.py
@@ -0,0 +1,3 @@
+from Solver import *
+
+print(solve("2x+5=6"))
diff --git a/Solver/Set.pyc b/Solver/Set.pyc
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index 0000000..73f10f2
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diff --git a/Solver/Solver.py b/Solver/Solver.py
new file mode 100644
index 0000000..6b0c0fc
--- /dev/null
+++ b/Solver/Solver.py
@@ -0,0 +1,91 @@
+from set import *
+from equation import *
+from expression import *
+
+class Solver:
+    def __init__(self):
+        self.solved=False
+        self.valid_equation=None
+        self.valid_typeCheck=None
+        self.comparisons=None
+        self.unknowns=None
+        self.resolution=[]
+        self.loadVocabulary()
+
+
+    def __call__(self,input):
+        self.input=input
+        self.type=type(self.input)
+        self.output=""
+        self.analyse()
+        self.end()
+        return self.output
+
+
+    def loadVocabulary(self):
+        self.lower_case_alphabet="abcdefghijklmnopqrstuvwxyz"
+        self.upper_case_alphabet="ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+        self.all_case_alphabet=self.lower_case_alphabet+self.upper_case_alphabet
+        self.operations="+-*/!%^()"
+        self.comparisons="=<>~"
+        self.numbers="0123456789"
+        self.valid_types=[str]
+
+    def analyse(self):
+        self.isValidType(self.input)
+        if not self.valid_typeCheck:
+            self.output="The type is not valid.\n"
+        else:
+            self.isEquation(self.input)
+            if self.valid_equation:
+                self.equation=self.input
+                self.solveEquation(self.equation)
+            else:
+                self.output="The input isn't an equation."
+
+    def isValidType(self,input):
+        if self.type in self.valid_types:
+            self.valid_typeCheck=True
+        else:
+            self.output+="Insert an input of type:\n"
+            self.output+=str(self.valid_types)+"\n"
+            self.valid_typeCheck=False
+
+    def isEquation(self,input):
+        valid_equation=True
+        comparisons=intersection(input,self.comparisons)
+        unknowns=intersection(input,self.all_case_alphabet)
+        operations=intersection(input,self.operations)
+        if len(comparisons)==0:
+            valid_equation=False
+        if len(unknowns)==0:
+            valid_equation=False
+        self.valid_equation=valid_equation
+
+
+    def solveEquation(self,equation):
+        self.equation=equation
+        self.step=0
+        self.max_steps=100
+        while self.step<self.max_steps and not self.solved:
+            self.resolution.append(self.equation)
+            self.unknowns=intersection(equation,self.all_case_alphabet)
+            self.comparisons=intersection(equation,self.comparisons)
+            self.operations=intersection(equation,self.operations)
+            self.equation=isolate(equation)
+            if len(self.unknowns)==1 and self.comparisons==["="] and self.operations:
+                pass
+            self.output+="Resolution: \n"
+            self.output+=str(self.resolution)+"\n"
+
+    def end(self):
+        if not self.solved:
+            if len(self.output)==0:
+                self.output+="The resolution of this problem still needs to be implemented."
+            else:
+                self.output+="The resolution of this problem is being implemented."
+
+solve=Solver()
+
+if __name__=="__main__":
+    solve(input("Enter: "))
diff --git a/Solver/Solver.pyc b/Solver/Solver.pyc
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index 0000000..2e61aa8
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diff --git a/Solver/class en python.py b/Solver/class en python.py
new file mode 100644
index 0000000..07b5132
--- /dev/null
+++ b/Solver/class en python.py	
@@ -0,0 +1,9 @@
+class human:
+    def __init__(self,nom):
+        self.pieds=2
+        self.nom=nom
+    def marcher(self):
+        print("Yes je marche avec mes "+self.nom+" pieds")
+
+valentin=human("valentin")
+valentin.marcher()
diff --git a/Solver/equation.py b/Solver/equation.py
new file mode 100644
index 0000000..ec1e876
--- /dev/null
+++ b/Solver/equation.py
@@ -0,0 +1,9 @@
+from expression import *
+
+def isolate(equation):
+    i=equation.index("=")
+    first_member=equation[:i]
+    second_member=equation[i+1:]
+    equation="("+first_member+")-("+second_member+")=0"
+    print(equation)
+    return equation
diff --git a/Solver/equation.pyc b/Solver/equation.pyc
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index 0000000..872ddaa
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diff --git a/Solver/expression.py b/Solver/expression.py
new file mode 100644
index 0000000..90d2dca
--- /dev/null
+++ b/Solver/expression.py
@@ -0,0 +1,9 @@
+def countCharacters(expression,character):
+    r=0
+    for i in input:
+        if i==character:
+            r+=1
+    return count
+
+def simplifyParenthesis(expression):
+    return expression
diff --git a/Solver/expression.pyc b/Solver/expression.pyc
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index 0000000..eb09157
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diff --git a/Solver/set.py b/Solver/set.py
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index 0000000..fd16292
--- /dev/null
+++ b/Solver/set.py
@@ -0,0 +1,20 @@
+def intersection(list1,list2):
+    list1=set(list1)
+    list2=set(list2)
+    elements=inBoth(list1,list2)
+    return set(elements)
+
+def union(list1,lis2):
+    elements=inOne(list1,list2)
+    return set(elements)
+
+def inOne(list1,list2):
+    return list1+list2
+
+def inBoth(list1,list2):
+    in_both=[]
+    for e1 in list1:
+        for e2 in list2:
+            if e1 is e2:
+                in_both.append(e1)
+    return in_both
diff --git a/detect_circles.py b/detect_circles.py
new file mode 100644
index 0000000..831a594
--- /dev/null
+++ b/detect_circles.py
@@ -0,0 +1,33 @@
+# import the necessary packages
+import numpy as np
+import argparse
+import cv2
+
+# construct the argument parser and parse the arguments
+ap = argparse.ArgumentParser()
+ap.add_argument("-i", "--image", required = True, help = "Numeriser 2.jpeg")
+args = vars(ap.parse_args())
+
+# load the image, clone it for output, and then convert it to grayscale
+image = cv2.imread(args["image"])
+output = image.copy()
+gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
+
+# detect circles in the image
+circles = cv2.HoughCircles(gray, cv2.CV_HOUGH_GRADIENT, 1.2, 100)
+
+# ensure at least some circles were found
+if circles is not None:
+	# convert the (x, y) coordinates and radius of the circles to integers
+	circles = np.round(circles[0, :]).astype("int")
+
+	# loop over the (x, y) coordinates and radius of the circles
+	for (x, y, r) in circles:
+		# draw the circle in the output image, then draw a rectangle
+		# corresponding to the center of the circle
+		cv2.circle(output, (x, y), r, (0, 255, 0), 4)
+		cv2.rectangle(output, (x - 5, y - 5), (x + 5, y + 5), (0, 128, 255), -1)
+
+	# show the output image
+	cv2.imshow("output", np.hstack([image, output]))
+	cv2.waitKey(0)